Open source front-end for Cecil Decompiler that allows you to reverse-engineer .NET assemblies into understandable code (e.g. C#).Currently Monoflector is only being built for the Microsoft CLR, but extensibility/supplant points exists for Mono.

Add-in for Visual Studio that provides coding assistance, navigation helpers, on-the-fly error highlighting and quick error correction, as well as support for code refactoring or unit testing features.

DILE (Dotnet IL Editor) is a decompiler and an IL debugger.It allows managed application to be debugged without having the source code and it can help to understand what is going on in the background as even the .NET Framework assemblies can be debugged. Works both on x86 (32-bit) and x64 (64-bit) operating systems.

Decompiler that allows editing local variables and other names in decompiled code and persist changes in project file.The main problem of decompilation is the absence of full source information in the executable file. With Dis#, obtained code can become more similar to the original source.Supports decompilation to C#, VB.NET, Delphi.NET and Chrome.